251739840

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{769}}^1$

素因数の和:831

約数の個数: 224

約数和(自身を含む): 901232640

約数和(自身を除く): 649492800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 31, 32, 33, 40, 44, 48, 55, 60, 62, 64, 66, 80, 88, 93, 96, 110, 120, 124, 132, 155, 160, 165, 176, 186, 192, 220, 240, 248, 264, 310, 320, 330, 341, 352, 372, 440, 465, 480, 496, 528, 620, 660, 682, 704, 744, 769, 880, 930, 960, 992, 1023, 1056, 1240, 1320, 1364, 1488, 1538, 1705, 1760, 1860, 1984, 2046, 2112, 2307, 2480, 2640, 2728, 2976, 3076, 3410, 3520, 3720, 3845, 4092, 4614, 4960, 5115, 5280, 5456, 5952, 6152, 6820, 7440, 7690, 8184, 8459, 9228, 9920, 10230, 10560, 10912, 11535, 12304, 13640, 14880, 15380, 16368, 16918, 18456, 20460, 21824, 23070, 23839, 24608, 25377, 27280, 29760, 30760, 32736, 33836, 36912, 40920, 42295, 46140, 47678, 49216, 50754, 54560, 61520, 65472, 67672, 71517, 73824, 81840, 84590, 92280, 95356, 101508, 109120, 119195, 123040, 126885, 135344, 143034, 147648, 163680, 169180, 184560, 190712, 203016, 238390, 246080, 253770, 262229, 270688, 286068, 327360, 338360, 357585, 369120, 381424, 406032, 476780, 507540, 524458, 541376, 572136, 676720, 715170, 738240, 762848, 786687, 812064, 953560, 1015080, 1048916, 1144272, 1311145, 1353440, 1430340, 1525696, 1573374, 1624128, 1907120, 2030160, 2097832, 2288544, 2622290, 2706880, 2860680, 3146748, 3814240, 3933435, 4060320, 4195664, 4577088, 5244580, 5721360, 6293496, 7628480, 7866870, 8120640, 8391328, 10489160, 11442720, 12586992, 15733740, 16782656, 20978320, 22885440, 25173984, 31467480, 41956640, 50347968, 62934960, 83913280, 125869920, 251739840]

約数ペア:

[(1, 251739840), (2, 125869920), (3, 83913280), (4, 62934960), (5, 50347968), (6, 41956640), (8, 31467480), (10, 25173984), (11, 22885440), (12, 20978320), (15, 16782656), (16, 15733740), (20, 12586992), (22, 11442720), (24, 10489160), (30, 8391328), (31, 8120640), (32, 7866870), (33, 7628480), (40, 6293496), (44, 5721360), (48, 5244580), (55, 4577088), (60, 4195664), (62, 4060320), (64, 3933435), (66, 3814240), (80, 3146748), (88, 2860680), (93, 2706880), (96, 2622290), (110, 2288544), (120, 2097832), (124, 2030160), (132, 1907120), (155, 1624128), (160, 1573374), (165, 1525696), (176, 1430340), (186, 1353440), (192, 1311145), (220, 1144272), (240, 1048916), (248, 1015080), (264, 953560), (310, 812064), (320, 786687), (330, 762848), (341, 738240), (352, 715170), (372, 676720), (440, 572136), (465, 541376), (480, 524458), (496, 507540), (528, 476780), (620, 406032), (660, 381424), (682, 369120), (704, 357585), (744, 338360), (769, 327360), (880, 286068), (930, 270688), (960, 262229), (992, 253770), (1023, 246080), (1056, 238390), (1240, 203016), (1320, 190712), (1364, 184560), (1488, 169180), (1538, 163680), (1705, 147648), (1760, 143034), (1860, 135344), (1984, 126885), (2046, 123040), (2112, 119195), (2307, 109120), (2480, 101508), (2640, 95356), (2728, 92280), (2976, 84590), (3076, 81840), (3410, 73824), (3520, 71517), (3720, 67672), (3845, 65472), (4092, 61520), (4614, 54560), (4960, 50754), (5115, 49216), (5280, 47678), (5456, 46140), (5952, 42295), (6152, 40920), (6820, 36912), (7440, 33836), (7690, 32736), (8184, 30760), (8459, 29760), (9228, 27280), (9920, 25377), (10230, 24608), (10560, 23839), (10912, 23070), (11535, 21824), (12304, 20460), (13640, 18456), (14880, 16918), (15380, 16368)]